Lewis Structure Extra Credit

How many electrons should Oxygen have around its Lewis dot model?

• 5
• 6
• 7
• 8

Choose the structure that forms a double bond.

• Carbon monoxide (CO)
• Carbon dioxide (CO₂)
• Water (H₂O)
• Cyanic Acid (HCN)

How many covalent bonds does carbon need to form in order to have a full octet?

• 2
• 3
• 4
• 5

What is the molecular geometry of chlorine?

• linear

• trigonal planar

• bent

• tetrahedral

How many total valence electrons make-up cyanide?

• 9

• 10

• 11

• 12

Metals and nonmetals form which kind of bond?

• Polar covalent
• Ionic
• Non-polar covalent
• Metallic

If electrons are shared equally then the bond is....

• Non-polar covalent
• Ionic
• Non-polar ionic
• Polar covalent

If electrons are shared unequally then the bond is....

• Non-polar covalent
• Ionic
• Non-polar ionic
• Polar covalent

How strongly an atom attracts electrons is called....................

• Ionization energy
• Electronegativity
• Electricity
• Nuclear force

An example of a covalent compound is...

• Oxygen gas (O2)

• Potassium bromide (KBr)

• Strontium iodide (SrI2)

• Pure iron (Fe)